v3.26.1
Derivatives and Hedge Accounting - Notional Amounts and Fair Values of Derivative Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Gross Derivative Assets    
Notional Amount $ 2,964 $ 2,337
Fair Value 338 338
Counterparty netting (138) (164)
Cash Collateral (197) (169)
Derivative assets 3 5
Gross Derivative Liabilities    
Notional Amount 3,517 5,073
Fair Value 429 465
Counterparty netting (138) (164)
Cash Collateral (180) (212)
Total derivative liabilities on consolidated balance sheet 111 89
Bifurcated embedded derivatives assets, fair value 2,900 3,000
Bifurcated embedded derivative liabilities, fair value 0 0
Derivatives designated as hedging instruments | Foreign exchange contracts    
Gross Derivative Assets    
Notional Amount 362 206
Fair Value 24 21
Gross Derivative Liabilities    
Notional Amount 1,163 1,438
Fair Value 95 88
Derivatives not designated as hedging instruments | Foreign exchange contracts    
Gross Derivative Assets    
Notional Amount 1,644 1,154
Fair Value 66 64
Gross Derivative Liabilities    
Notional Amount 1,315 2,576
Fair Value 55 93
Derivatives not designated as hedging instruments | Interest rate contracts    
Gross Derivative Assets    
Notional Amount 917 935
Fair Value 223 227
Gross Derivative Liabilities    
Notional Amount 993 1,012
Fair Value 254 258
Derivatives not designated as hedging instruments | Credit contracts    
Gross Derivative Assets    
Notional Amount 41 42
Fair Value 25 26
Gross Derivative Liabilities    
Notional Amount 46 47
Fair Value 25 26
Derivatives not designated as hedging instruments | Credit contracts | CDS    
Gross Derivative Liabilities    
Notional Amount 38 38
Fair Value $ 24 $ 25